Connection Assembly

a technology of connecting parts and assembly parts, which is applied in the direction of soil shifting machines/dredgers, constructions, etc., can solve the problems of weakened adaptors, bending of locking pins, and significant wear of excavating equipment buckles during us

Active Publication Date: 2013-09-26
TALON ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0023]In accordance with a fifth aspect of the present invention there is provided a lock for coupling a wear member to a base, the lock including a hollow for engagement with a tool, wherein a plug is contained within the hollow, the plug being resiliently

Problems solved by technology

Buckets of excavating equipment are subject to significant abrasive wear during use.
The connection of teeth to adaptors has presented a consistent challenge, and there are many different systems currently available which seek to perform this task in an efficient manner.
Such an arrangement has an inherent problem in that the provision of

Method used

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Embodiment Construction

[0075]Referring to the Figures, FIG. 1 shows a portion of a lip 10 of an excavator bucket, onto which is located an adaptor 20. A tooth 70 is shown ready for attachment to the adaptor 20.

[0076]The adaptor 20 has a body part 21; a nose 22 extending forwardly of the body part 21 onto which the tooth 70 can be located, and two legs 24 extending rearwardly of the body part 21 about the lip 10.

[0077]The nose 22 can be more clearly seen in FIGS. 3 and 4. It has a front wall 26, a top 28, a first side wall 30, a bottom 32, and a second side wall 34. The top 28 and the bottom 32 each extend from the body part 21 to the front wall 26. The top 28 and the bottom 32 are not parallel, but are generally angled towards each other such that the nose 22 reduces in height towards the front wall 26, with the front wall 26 being about half the height of the body part 21.

[0078]The first and second side walls 30, 34, each extend from the body portion 21 to the front wall 26. The first and second side wal...

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Abstract

A coupling for connecting ground engaging tools to a lip of an excavator bucket or similar is disclosed. The coupling uses an eccentric rotating lock, whereby rotation of the lock alters the distance between bearing surfaces and thus allows tightening of the lock.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the connection of wearing elements to machinery. It is particularly directed to the connection of ground engaging tools such as teeth to excavator buckets, but may have wider application.BACKGROUND TO THE INVENTION[0002]Buckets of excavating equipment are subject to significant abrasive wear during use. For this reason, replaceable ground engaging tools (GET) are located about the buckets in the areas most susceptible to wear. A number of different GET are used, including heel shrouds, lip shrouds, adaptors, wear plates and, importantly, teeth.[0003]The connection of teeth to adaptors has presented a consistent challenge, and there are many different systems currently available which seek to perform this task in an efficient manner. Many of the systems use a locking pin, which passes through a bore of the adaptor. Such an arrangement has an inherent problem in that the provision of a bore weakens the adaptor, as well as en...

Claims

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Application Information

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IPC IPC(8): E02F9/28
CPCE02F9/2825E02F9/2891E02F9/2841E02F9/28
Inventor HUGHES, BENJAMIN D.
Owner TALON ENG
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